﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Arith
{
    public class ClassDemo2
    {
        public static void Main()
        {
            Rectangle2 rect =new Rectangle2(10,5);

            long ar = rect.GetArea();

            Console.Write("Area ia " + ar);

            Console.Read();
        }
    }
}
